Implode isn’t the only way to get a string representation of an array that can be converted back to an array. Writer behind An Exploring South African. Associative arrays are more interactive as compared to the indexed one. Convert a multi-dimensional array into a single-dimensional array. array_multisort (array &$array1 [, mixed $array1_sort_order = SORT_ASC [, mixed $array1_sort_flags = SORT_REGULAR ]], mixed...$rest) : bool array_multisort () can be used to sort several arrays at once, or a multi-dimensional array by one or more dimensions. However, it is recommended to always use two parameters for backwards compatibility. View all posts by Craig Lotter →. Convert Array of Arrays to String. Associative (string) keys will be maintained, but numeric keys will be re-indexed. However, in the example above, we made the mistake of trying to ‘echo out’ an array variable. Curiosity, travel, and discovering new places. However, for consistency with explode(), you should use the documented order of arguments. In this demo, a two-dimensional array is created. Using multiple indexes we can access the value in a multidimensional array. Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window), Click to share on Reddit (Opens in new window), Click to share on Pinterest (Opens in new window). PHP allows a very simple way to declare a multidimensional array in PHP using the keyword ‘array’. my goal is to create a string like this: 1603,1802,2255. but i start out with this multidimensional array: Array ([0] => Array ([device_id] => 1603 The require output is the value separated by commas. ). However, arrays more than three levels deep are hard to manage for most people. For consistency with explode(), however, it is deprecated not to use the documented order of arguments. Therefore, implode() return a string of element values this function given by PHP. Yes, indeed, though he might be simplifying the example some here. If it is then loop through that array as well. In this chapter, we will explain how to use implode () function of PHP to convert an array to a string. PHP: Implode a Multi-dimensional Array CodeUnit09 APR 2010 PHP’s implodeis a pretty handy function to flatten any array into a single string value, using any piece of ‘glue’ (basically a substring) that you specifiy to put everything together. In any event, if those strings contain commas (and they’re free form it seems so they could) implode isn’t the right tool, even with array_column. I don’t know (yet) if there’s anything cleaner than my first effort?? Not sure what people mean when they say ‘cleaner’ :0(. Enter your email address to subscribe to this blog and receive notifications of new content via email. To fix this particular error, we would need to loop through the array like so: We could als… I need to implode a multidimensional array. Indexed arrays are conventional arrays that are represented by index numbers.